8 III, ORCHIDE. [Polystachya- 
region ; often found on strong branches of Adansonia. Bank of river 
Coango Jan. 1856. No. 674. 
6. P. Adansonie Rchb. f., Zc.; Durand & Schinz, Uc. p. 33 5 
Rolfe, d.c., p. 121. 
GoLtuNnGo ALTO.—A parasitic bulbophyllous herb, with bright green 
shining leathery leaves. Rather rare on the branches of old Adansonias. 
near Delamboa. In fl. March, in fr. May 1855. No. 654. 
7. P, angularis Rehb. f. in Flora 1867, p. 114; Durand & 
Schinz, U.c., p. 33; Rolfe, Ze. p. 122. 
Punco Anponco.—Flowers deep yellow, rhachis of raceme hirtulous. 
Terrestrial on the higher parts of the preesidium, Pedra de Cazella, 
and of Cambondo, but somewhat rarely met with, and not seen below 
3400 ft. In fl. Jan. 1857. No. 696. 
7. ANGRACUM Thou. ; Benth. & Hook. f. Gen. Pl. iii. p. 583.. 
1. A. flabellifolium Rolfe in Fl. Trop. Afr. vii. p. 135 (1897). 
Aérangis flabellifolia Rchb. f. in Flora 1865, p. 191; Durand & 
Schinz, J.c., p. 50. 
GoLunco ALTo.—An epiphyte hanging like a candelabrum, leaves. 
rosulate, thick, very stiff, fleshy-leathery, spathulate-lingulate. Outer 
and inner leaves of the spreading perianth subequal, distant, lanceolate, 
long-acuminate, pale greenish, with a lacquer-like polish, obsoletely 
nerved. Lip very similar, slightly longer ; spur long, hyaline-fleshy,, 
gradually tapering, with a subobtuse apex. Column hyaline-whitish, 
erect, less than half the length of the perianth-leaves, semiterete, 
with a single anterior tooth at the base. Pollinia 2, ovate-elliptical 
pale yellow. On densely leaved trees at the cataracts of the Cuango,, 
but very rare. Only three specimens seen, and three flowers. In 
fl. 4 Dec. 1854 and 31 Oct, 1855; in fr. June 1856. No. 657. In 
the shady woods of the Serra de Alto Queta on the bank of the river 
Luinha. A single leaf. No. 742. 
2, A. Galeandre Rehb. f., ic. p. 189; Durand & Schinz, ic... 
p. 43; Rolfe, dc. p. 136. 
Gotunco ALTo.—Several individuals growing together and sus- 
pended from branches by their numerous densely intertwined roots,. 
leaves and racemes pendulous. Leaves opaque green above, not 
shiny, paler beneath. Perianth white, with a wine-red tinge; lip 
veniricose, with wine-red streaks on the inside, and gaping mouth, 
middle lobe with fimbriate crenate and wavy apex, lateral lobes. 
very blunt, spur conical with drawn-out inflexed tip. Outer lateral. 
perianth-segments obliquely lanceolate obtuse, the two inner segments. 
acuminate, Rather rare on a Sterculia near the banks of the river 
Cuango, in fl. 5 April 1856. In damp woods, Monte de Queta, with 
unripe fruit, end of July 1856. No. 658. : 
3. A. tridactylites Rolfe in Gard. Chron. iv. (1888) p. 34. i 
Fl, Trop. Afr. vii. p. 147. Nei ac 
A. armeniacum Rehb. f., Lc. (non Lindl.); Durand & Schinz, 
Lc. p. 39. 
Punco Anponco.—A terrestrial herb with d b K 
fleshy firm aérial roots. Flowers se bldciesieeediog ; ar 
shady rocks in the woods of Barrancos de Songue. In fl. beginni : 
May 1857. No. 685. peer ay eae re 
